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Lastmemory
Posted on Sunday, February 08, 2009 - 06:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Replaced battery with new one (old one dead)and with bike off I get 12.9v, but when idle I get 12.3v. I tested at 3k rpm and voltage stayed at 12.3v

Shouldn't the voltage increase to aroud 13.4v to 14.4v at run speed or at least see an increase when I start the bike? Voltage didn't seem to drop below 12.3v at idle either.

Also,after taking a ride I noticed the rpms stayed at 2k for a few seconds (twice) and was very slow to drop when coming to a stop with the clutch in, but not everytime.

Could this be a bad voltage reg. and/or Stator? Not sure how to test, even after reading many other posts. I have a manual, but could use some help. I haven't read anything about the rpms remaining high then lowering to normal.
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Moosestang
Posted on Sunday, February 08, 2009 - 06:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I get 14.3-14.4 at idle. The rpms not dropping is usually an indication of your idle being set to high.

(Message edited by moosestang on February 08, 2009)
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Diablobrian
Posted on Sunday, February 08, 2009 - 07:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

voltage regulators, or the connector that goes to it are one of the first things to check
on these bikes when you have problems with the charging system. I'd look there first.
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Lastmemory
Posted on Monday, February 09, 2009 - 06:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think the connection must have been the problem, voltages are normal now. Thanks.
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Rays
Posted on Tuesday, February 10, 2009 - 04:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'd be suspicious of that - have a look at this for info on how to check the connection to make sure it doesn't get out of hand.
I have seen this issue on several different earlier XB's.

http://docs.google.com/view?docid=d4rbxwr_20dq5khf

It won't take long and may save you a whole lot of grief.
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Diablobrian
Posted on Tuesday, February 10, 2009 - 09:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Use a generous amount of dielectric grease on those connections to prevent corrosion.

In some auto parts stores they won't know what you mean unless you say the words "bulb
grease" Sad but true. I actually recommend using this stuff on all of the electrical
connectors that do not get hot (like the o2 sensor etc) to help your bike live a long
happy life. I learned this on my old Honda sabre's and interceptors....they were
really prone to corrosion at the VR connectors leading to VR or stator failure. 20+
years later the same rules still apply.
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